anki-3d-engine/programs/MsGeneric.ankiprog

<!-- 
Copyright (C) 2009-2017, Panagiotis Christopoulos Charitos and contributors.
All rights reserved.
Code licensed under the BSD License.
http://www.anki3d.org/LICENSE
-->
<shaderProgram>
	<mutators>
		<mutator name="INSTANCE_COUNT" values="1 2 4 8 16 32 64" instanced="1"/>
		<mutator name="LOD" values="0 1 2"/>
		<mutator name="PASS" values="0 1"/>
		<mutator name="DIFFUSE_TEX" values="0 1"/>
		<mutator name="SPECULAR_TEX" values="0 1"/>
		<mutator name="ROUGHNESS_TEX" values="0 1"/>
		<mutator name="METAL_TEX" values="0 1"/>
		<mutator name="NORMAL_TEX" values="0 1"/>
		<mutator name="PARALLAX" values="0 1"/>
		<mutator name="EMISSIVE_TEX" values="0 1"/>
	</mutators>

	<shaders>
		<shader type="vert">
			<inputs>
				<input name="mvp" type="mat4" instanced="1"/>
				<input name="normalMat" type="mat3" instanced="1">
					<mutators>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="modelViewMat" type="mat4" instanced="1">
					<mutators>
						<mutator name="PASS" values="0"/>
						<mutator name="PARALLAX" values="1"/>
					</mutators>
				</input>
			</inputs>

			<source><![CDATA[#include "shaders/MsCommonVert.glsl"
void main() 
{
#if PASS == 0
	positionUvNormalTangent(mvp, normalMat);
	
	#if PARALLAX
		parallax(modelViewMat);
	#endif
#else
	ANKI_WRITE_POSITION(mvp * vec4(in_position, 1.0));
#endif
}
			]]>
			</source>
		</shader>

		<shader type="frag">
			<inputs>
				<!-- Consts -->
				<input name="diffColor" type="vec3" const="1">
					<mutators>
						<mutator name="DIFFUSE_TEX" values="0"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="specColor" type="vec3" const="1">
					<mutators>
						<mutator name="SPECULAR_TEX" values="0"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="roughness" type="float" const="1">
					<mutators>
						<mutator name="ROUGHNESS_TEX" values="0"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="metallic" type="float" const="1">
					<mutators>
						<mutator name="METAL_TEX" values="0"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="emission" type="vec3" const="1">
					<mutators>
						<mutator name="EMISSIVE_TEX" values="0"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="heightMapScale" type="float" const="1">
					<mutators>
						<mutator name="PARALLAX" values="1"/>
						<mutator name="PASS" values="0"/>
						<mutator name="LOD" values="0"/>
					</mutators>
				</input>
				<input name="subsurface" type="float" const="1">
					<mutators>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>

				<!-- Textures -->
				<input name="diffTex" type="sampler2D">
					<mutators>
						<mutator name="DIFFUSE_TEX" values="1"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="specTex" type="sampler2D">
					<mutators>
						<mutator name="SPECULAR_TEX" values="1"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="roughnessTex" type="sampler2D">
					<mutators>
						<mutator name="ROUGHNESS_TEX" values="1"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="metalTex" type="sampler2D">
					<mutators>
						<mutator name="METAL_TEX" values="1"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
				<input name="normalTex" type="sampler2D">
					<mutators>
						<mutator name="NORMAL_TEX" values="1"/>
						<mutator name="PASS" values="0"/>
						<mutator name="LOD" values="0 1"/>
					</mutators>
				</input>
				<input name="heightTex" type="sampler2D">
					<mutators>
						<mutator name="PARALLAX" values="1"/>
						<mutator name="PASS" values="0"/>
						<mutator name="LOD" values="0"/>
					</mutators>
				</input>
				<input name="emissiveTex" type="sampler2D">
					<mutators>
						<mutator name="EMISSIVE_TEX" values="1"/>
						<mutator name="PASS" values="0"/>
					</mutators>
				</input>
			</inputs>

			<source><![CDATA[#include "shaders/MsCommonFrag.glsl"
void main()
{
#if PASS == 0
	#if heightTex_DEFINED
		vec2 uv =  computeTextureCoordParallax(heightTex, in_uv, heightMapScale);
	#else
		vec2 uv = in_uv;
	#endif

	#if diffTex_DEFINED
		vec3 diffColor = texture(diffTex, uv).rgb;
	#endif

	#if specTex_DEFINED
		vec3 specColor = texture(specTex, uv).rgb;
	#endif

	#if roughnessTex_DEFINED
		float roughness = texture(roughnessTex, uv).r;
	#endif

	#if metalTex_DEFINED
		float metallic = texture(metalTex, uv).r;
	#endif

	#if normalTex_DEFINED
		vec3 normal = readNormalFromTexture(normalTex, uv);
	#else
		vec3 normal = normalize(in_normal);
	#endif

	#if emissiveTex_DEFINED
		vec3 emission = texture(emissiveTex, uv).rgb;
	#endif

	writeRts(diffColor, normal, specColor, roughness, subsurface, emission, metallic);
#endif
}
			]]></source>
		</shader>
	</shaders>
</shaderProgram>